Question

1.013 g sample of znso4 . xH2O is dissolved in water and the sulphate is precipitated by adding excess of BaCl2 solution. The mass of the pure dry BaSO4 as 0.8223 g. What is the formula of Zinc sulphate hydrate ?

Answer 1

Explanation:

Tartaric acid solution, dissolve 1 g in 100 ml of water. Zinc sulphate solution, dissolve 3 g of zinc sulphate hepta hydrate in water and dilute to 100 ml.